<template>
  <div class="login">
    <div class="box-logo">
      <img src="../assets/image/login-logo.png" />
    </div>
    <div class="box-content">
      <div class="box-welcome">欢迎使用磐石认证鉴权系统</div>
      <div class="box-login-form">
        <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
          <h3 class="title">登录</h3>
          <el-form-item prop="username">
            <el-input v-model="loginForm.username" type="text" auto-complete="off" placeholder="账号">
              <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
            </el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input v-model="loginForm.password" type="password" auto-complete="off" placeholder="密码" @keyup.enter.native="handleLoginFn">
              <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
            </el-input>
          </el-form-item>
          <el-form-item prop="code">
            <el-input v-model="loginForm.code" auto-complete="off" placeholder="验证码" style="width: 63%" @keyup.enter.native="handleLoginFn" >
              <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
            </el-input>
            <div class="login-code">
              <img :src="codeUrl" @click="getCodeFn" />
            </div>
          </el-form-item>
          <el-form-item style="width:100%;">
            <el-button :loading="loading" size="medium" type="primary" style="width:100%;"  @click.native.prevent="handleLoginFn" :disabled="!loginForm.username || !loginForm.password || !loginForm.code">
              <span v-if="!loading">登 录</span>
              <span v-else>登 录 中...</span>
            </el-button>
          </el-form-item>
          <div class="remember" style="margin:0px 0px 25px 0px;">
            <el-checkbox v-model="loginForm.rememberMe" >记住密码</el-checkbox>
            <a href="#" class="forget">忘记密码？</a>
          </div>
        </el-form>
      </div>
    </div>
    <!--  底部  -->
    <!-- <div class="el-login-footer">
      <span>Copyright © 2018-2019 rock.vip All Rights Reserved.</span>
    </div> -->
  </div>
</template>

<script>
  import { apiGetCodeImg } from "@/api/login.js";
  import Cookies from "js-cookie";
  import { encrypt, decrypt } from '@/utils/jsencrypt.js';

  export default {
    name: "Login",
    data (){
      return {
        codeUrl: "",
        cookiePassword: "",
        loginForm: {
          username: "admin",
          password: "admin123",
          rememberMe: false,
          code: "",
          uuid: ""
        },
        loginRules: {
          username: [
            { required: true, trigger: "blur", message: "用户名不能为空" }
          ],
          password: [
            { required: true, trigger: "blur", message: "密码不能为空" }
          ],
          code: [{ required: true, trigger: "change", message: "验证码不能为空" }]
        },
        loading: false,
        redirect: undefined
      };
    },
    watch: {
      $route: {
        handler: function(route) {
          this.redirect = route.query && route.query.redirect;
        },
        immediate: true
      }
    },
    created (){
      this.getCodeFn();
      this.getCookieFn();
    },
    methods: {
      getCodeFn (){
        apiGetCodeImg()
          .then(res => {
            this.codeUrl = "data:image/gif;base64," + res.img;
            this.loginForm.uuid = res.uuid;
          });
      },
      getCookieFn (){
        const username = Cookies.get("username"),
              password = Cookies.get("password"),
              rememberMe = Cookies.get('rememberMe');
        this.loginForm = {
          username: username === undefined ? this.loginForm.username : username,
          password: password === undefined ? this.loginForm.password : decrypt(password),
          rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
        };
      },
      handleLoginFn (){
        this.$refs.loginForm.validate(valid => {
          if(valid){
            this.loading = true;
            if(this.loginForm.rememberMe){
              Cookies.set("username", this.loginForm.username, { expires: 30 });
              Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 });
              Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 });
            }else{
              Cookies.remove("username");
              Cookies.remove("password");
              Cookies.remove('rememberMe');
            }
            this.$store.dispatch("Login", this.loginForm)
              .then(() => {
                // this.$router.push({ path: this.redirect || "/" });
                this.$router.push({ path: "/" });
              })
              .catch(() => {
                this.loading = false;
                this.getCodeFn();
              });
          }
        });
      },
      /*handleLoginFn (){//evua.huang
        this.$store.dispatch("test/setTestFlagA", '测试')
        .then(() => {
          console.log('回调');
        });
      }*/
    }
  };
</script>

<style rel="stylesheet/scss" lang="scss">
  .login{ height: 100%; width: 100%;  background: url("../assets/image/login-bg-1.png") no-repeat center center;  background-size: 100% 100%;  }
  .box-logo{ width: 114px; height: 38px; position: fixed; left: 40px; top: 40px; overflow: hidden;
    img{ width: 100%; height: 100%;}
  }

  .box-content{height:100%; width: 80%; margin: 0 auto;}
  .box-login-form{ display: flex; justify-content: flex-end; align-items: center; height: 100%;}
  .box-welcome{ color: #fff; font-size: 32px;  position: absolute; top: 42%;}
  .login-form{ border-radius: 6px; background: #ffffff; width: 400px;  padding: 25px 25px 5px 25px;
    .title{ margin: 0px auto 30px auto; text-align: center; color: #2689FF; }
    .el-input{ height: 38px;
      input{ height: 38px; }
    }
    .input-icon{ height: 39px; width: 14px; margin-left: 2px;}
    .login-tip{ font-size: 13px; text-align: center; color: #bfbfbf; }
    .login-code{ width:33%; height:38px; float: right;
      img{ cursor: pointer; vertical-align: middle; }
    }
    .remember{ font-size: 14px; text-align: right;
      a.forget{ padding-left: 15px; margin-left: 15px; border-left: 1px solid #d9d9d9;
        &:hover{ color: #2689FF;}
      }
    }
  }

  /* .el-login-footer { height: 40px; line-height: 40px; position: fixed; bottom: 0; width: 100%; text-align: center;  color: #fff; font-family: Arial; font-size: 12px; letter-spacing: 1px;} */
</style>
